Sigma

IWATA BOLT Informational Magazine.

Sigma

IWATA BOLT Informational Magazine.

  • Jun 1971 Issue

    Jun 1971 Issue

    [Sigma 10]

    • 1.The 22nd anniversary of Iwata Bolt, and the publication of the 3rd edition of the “Common sense of screws” … Yukichi Iwata, President
    • 〈Factory information〉
    • 2.Promoting a system to ensure quality assurance -JIS certified factory-Summary of Saitama factory-
    • 〈Iwata Bolt News〉
    • 3.Great feedback at Harumi International Trade Fair
    • 4.QC circle (Club) activities with good results
    • 〈Iwata Bolt New Product Corner〉
    • 5. Evolutional new product that replaces welding nuts-Punching nuts-

  • Jan 1971 Issue

    Jan 1971 Issue

    [Sigma 9]

    • 1.The New Year of 1971: improvement of control standard is a major task -_x000D_ ... Yukichi Iwata, President
    • 〈Control System of Iwata Bolt〉
    • 2.Current status of our QC activities
    • 〈From Quality Control Department〉
    • 3.Characteristics of Class 3 Tapping Screws with or without cut and tap tight
    • 〈 Fastening series〉
    • 4.Looseness of screws and prevention <3>
    • 〈Overseas spot news〉
    • 5.Benefits of shouldered bolts
    • 6.PLS bolts that are easy to install but never come off
    • 7.Strong interference fit fastener using metal elongation
    • 8.An Insert with special knurling
    • 9.Multipurpose fastener that keeps initial torque
    • 10.Fasteners for ocean development
    • 11.Strong fastener with strong vibration resistance
    • 12.Coiled locking nut
    • 13.Various high-low screws
    • 14.Blind nut with a reversed groove
    • 15.US concerns over the metric system

  • Dec 1970 Issue

    Dec 1970 Issue

    [Sigma 8]

    • 1. Visiting Fastener factories in Europe and America- Vibrant factory with teamwork that transcends ethnicities
      -... Yukichi Iwata, President
    • 2.〈Special Feature〉Welcoming the West German Screw Industry Delegation
    • 〈Fastening series〉
    • 3.Looseness of screw and prevention <2>
    • 〈Spot news〉
    • 4.Any size of bolt can be made instantly.
    • 5.New welding nut that joins curved surfaces
    • 6.Light and strong 6-4 titanium alloy screws

  • Aug 1970 Issue

    Aug 1970 Issue

    [Sigma 7]

    • 1.The era of international exchange for screws- West German screw industry delegation visiting to Japan
      -... Yukichi Iwata, President
    • 〈Control System of Iwata Bolt〉
    • 2.How Iwata Bolt can help your total cost reduction
    • 〈Fastening series〉
    • 3.Looseness of screw and prevention <1>
    • 〈From Quality Control Department〉
    • 4.Quality Control of Tapping Screws <3>
    • 〈VA〉
    • 5.Fastening method using non-grooved pin
    • 〈Overseas spot news〉
    • 6. 2 Anti-loosening Faseners

  • Apr 1970 Issue

    Apr 1970 Issue

    [Sigma 6]

    • 1.Focus on the world ... Yukichi Iwata, President
    • 〈 Control System of Iwata Bolt〉
    • 2.Delivery management system by SPICS
    • 〈From Quality Control Department 〉
    • 3.Quality control of Tatsupin screws <2>
    • 〈VA〉
    • 4. Spix and VA in system sales
    • 〈Explanation of screw terms 6〉
    • 5.Tapping Screws <5>
    • 〈Overseas spot news〉
    • 6.Two events to understand the assembly
    • 7.Aircraft manufacturers are interested in adhesive welding
    • 8.General Motors raises quality control standards for parts
    • 9.New tapping nut
    • 10.2-point compression lock nut